Sony HCD-MDX10 - Compact Disk Deck Receiver Component Service Manual page 38

Record Level Adjustment (Deck B)
Procedure:
INTRODUCTION
When set to the test mode performed in Tape Speed Adjust-
ment, when the tape is rewound after recording, the "REC memory
mode" which rewinds only the recorded portion and playback is
set.
This "REC memory mode" is convenient for performing this ad-
justment. During recording, the input signal FUNCTION will auto-
matically switch to VIDEO.
(After recording, press the – 0 button without stopping will
return to the position where recording was started.)
1. Press FUNCTION button to select VIDEO 1. (This step is not
necessary if the above test mode has already been set.)
2. Insert a tape into deck B, press the r REC button, and then
press the ( button to start recording.
3. Mode: Record
VIDEO (AUDIO) IN
315Hz 50 mV (–23.8 dB)
AF OSC
600
attenuator
4. Mode: Playback
recorded
position
set
VIDEO (AUDIO) OUT
5. Confirm playback the signal recorded in step 2 become adjust-
ment level as follows.
If these levels do not adjustment level, adjust the RV301 (L-
CH) and RV351 (R-CH) on the MAIN board to repeat steps 3
and 4.
Adjustment level:
CN403 playback level: 47.2 to 53.0 mV (–24.3 to –23.3 dB)
Adjustment Location: MAIN board
[MAIN BOARD] (Conductor Side)
Record Level (L CH)
RV301
43 42
29
56
28
IC301
1
15
14
CN303
RV351
Record Level (R CH)
blank tape
CS-123
set
level meter
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